EK1100

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The EK1100 is an EtherCAT Coupler designed for coupling up to 65,534 EtherCAT Terminals, supporting data transfer rates of 100 Mbit/s. As part of Beckhoff's EK EtherCAT Coupler Series, it operates with a power supply of 24 V DC and offers two RJ45 bus interfaces. This coupler provides a protection rating of IP20 and adheres to EMC standards.

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Product Description:

Beckhoff manufactures the EK1100, an EtherCAT coupler. It can manage complicated automation tasks that call for a large density of linked devices, as shown by its ability to connect up to 65,534 EtherCAT Terminals. EtherCAT, a high-speed industrial Ethernet technology renowned for its effectiveness and real-time capabilities, is the protocol that enables this wide connection. Through the use of the 100BASE-TX standard, the EK1100 facilitates 100 Mbit/s data transfer rates, guaranteeing quick communication between the central control system and the associated terminals. This speed is critical for real-time applications where exact and synchronized operation depends on quick reactions to control signals and sensor data.

Network design versatility is offered via the coupler's two RJ45 bus interfaces, which support both linear and star topologies. This adaptability makes system design easier and enables effective cabling resource usage. Operating on a 24 V DC power supply—a common voltage in industrial settings—the EK1100 is compatible with a range of power sources. Additionally, its IP20 protection grade indicates that it is resistant to dust intrusion, which is an important consideration for dependable performance in industrial environments where dust particles may be common. An important factor for real-time control applications is the EK1100's "approx. one µs" data transfer latency. Precision synchronization and coordination of different automation components are made possible by the near-instantaneous speed at which control signals are transferred, thanks to this little latency. Tasks needing high accuracy and dynamic control, such as motion control, robotics, and high-speed manufacturing processes, depend on such quick reaction times.

Support for several terminals and their power needs is further shown by the coupler's ability to manage a large current supply to the E-bus (2000 mA). Extreme temperature changes are not an issue for the EK1100 because of its working temperature range of -25°C to +60°C. The stability and functionality of the whole automation system depend on its ability to operate dependably and without generating electromagnetic interference from other devices, which is ensured by its compliance with EMC standards (EN 61000-6-2/EN 61000-6-4). Wake Industrial gives customers peace of mind and assistance with their industrial automation requirements with a one-year warranty on this product.

Bus Interface
2 x RJ45
Current Consumption From Us
70 mA + (Σ E‑bus current/4)
Data Transfer Medium
Ethernet/EtherCAT cable (min. Cat.5), shielded
Data Transfer Rate
100 Mbit/s
Delay
approx. 1 µs
E‑bus Supply Current
2000 mA
EMC Immunity/Emission
EN 61000‑6‑2 / EN 61000‑6‑4
Max Distance Between Stations
100 m (100BASE‑TX)
Max EtherCAT Terminals
up to 65,534
Operating Temperature
-25…+60°C
Power Contact Current
max. 10 A
Power Contact Voltage
max. 24 V DC
Power Supply
24 V DC (-15%/+20%)
Protocol
EtherCAT
Storage Temperature
-40…+85°C
LED / Error indication Likely cause Recommended corrective action
Us LED (green) OFF – no bus-coupler supply 24 V DC absent or < 20 V at the EK1100 feed terminals Verify upstream PSU is on, measure 24 V across pins 1-3, check fuses & wiring; restore nominal 24 V DC.
Up LED (green) OFF – no power-contact supply 24 V field-power feed to I/O power contacts missing or fuse tripped Feed 24 V to power-contact pins — typical fix is to add/replace EL9410 feed terminal or reset field-power fuse.
RUN LED flashing (Pre-OP) EtherCAT master has not driven the slave into OP state (configuration or mapping mismatch) Compare actual terminal order with TwinCAT project; reload scan, check PDO mapping, then “Activate Configuration” to reach OP.
RUN LED OFF (INIT) Master not communicating (cable unplugged, master stopped, or wrong Net ID) Ping AMS Net ID, inspect cables; power-cycle slave after restoring link to re-enter Pre-OP/OP.
ERR LED continuous flash General K-bus fault (often EMC, severe undervoltage/overvoltage) Check supply stability, add surge suppression, then power-cycle; if flash persists, isolate terminals one-by-one.
ERR LED 1 pulse / pause / 1 pulse EEPROM checksum error in Bus Coupler Load factory settings via TwinCAT → “Coupler → Services → Factory Setting”, then restart.
ERR LED 2 pulses Programmed configuration entry invalid or missing module Rescan terminals in TwinCAT, correct I/O list, download configuration.
ERR LED 4 pulses K-bus data error / break behind EK1100 Check that first I/O terminal is firmly seated; replace damaged terminal or add EL9011 end cap.
LINK/ACT LED (X1 IN) OFF No physical link from EtherCAT master Inspect/replace CAT-5e/6 cable, confirm switch port, verify ≤100 m run.
LINK/ACT LED (X2 OUT) OFF Downstream cable/device missing or faulted – network stops at EK1100 Check daisy-chain cable to next slave; if unused, fit protective RJ45 plug or end the line here.
Model Primary role Interface / ports Max link distance
EK1100 Baseline EtherCAT copper coupler for EL/ES terminals 2 × RJ45 (100BASE-TX) 100 m
EK1101 Copper coupler with ID switch & Fast Hot Connect 2 × RJ45 (100BASE-TX) 100 m
EK1110 EtherCAT extension (line repeater) 1 × RJ45 out + internal E-bus 100 m
EK1122 2-port EtherCAT junction (star/branch) 2 × RJ45 (100BASE-TX) 100 m per branch
EK1501 Multimode fiber-optic coupler (media converter) 2 × SC-duplex (100BASE-FX) 2 km
EK1521 1-port fiber-optic junction 1 × SC-duplex (100BASE-FX) 2 km (multi-mode) / 20 km†
AL status code What it means
0x0001 Unspecified error
0x0002 No memory (out-of-RAM in ESC)
0x0011 Invalid requested state change
0x0012 Unknown requested state
0x0017 Invalid Sync-Manager configuration
0x0019 No valid outputs available
0x001B Sync-Manager watchdog elapsed
0x001F Invalid watchdog configuration
0x0024 Invalid input mapping
0x0034 DC Sync timeout

Frequently Asked Questions about EK1100:

Q: What is the EK1100 EtherCAT Coupler used for?

A: The EK1100 EtherCAT Coupler, manufactured by Beckhoff, is designed to connect EtherCAT Terminals to a 100BASE-TX network. It supports integration of up to 65,534 EtherCAT Terminals, making it ideal for large, complex industrial automation setups requiring high terminal density. With real-time data transfer capabilities, it facilitates efficient and synchronized automation within various industrial environments.

Q: What is the data transfer rate of the EK1100?

A: The EK1100 supports a data transfer rate of 100 Mbit/s, which enables rapid communication between connected terminals and the central control system. This speed is particularly advantageous in applications where real-time response is essential, such as robotics and high-speed manufacturing, as it ensures quick data exchange and precise coordination between automated components.

Q: How does the EK1100 connect to the network?

A: The EK1100 features two RJ45 bus interfaces that support both linear and star network topologies, allowing flexible network configurations. These standard Ethernet ports simplify integration with other network devices, making it adaptable to existing setups and versatile for various industrial network designs. The connectivity options also support high-speed, reliable communication in automation networks.

Q: What power supply does the EK1100 require?

A: Operating on a standard 24 V DC power supply, the EK1100 is compatible with widely used industrial power sources. It can accommodate a voltage range of -15% to +20%, ensuring stable operation under varied power conditions. This flexibility makes it suitable for numerous industrial applications where standard 24 V DC power is commonly available, reducing the need for specialized power supplies.

Q: What environmental protections does it have?

A: The EK1100 has an IP20 protection rating, which means it is protected against dust ingress. While not waterproof, it is designed for use in controlled industrial environments. Additionally, it has an operational temperature range of -25°C to +60°C, allowing it to function reliably in settings with temperature fluctuations. The coupler is also compliant with EMC standards EN 61000-6-2 and EN 61000-6-4 to prevent interference.


Internal Product Review

  • ‘‘This coupler provides efficient communication between EtherCAT Terminals and the network with minimal delay (approx. one µs). The device supports many terminals and offers a robust design suitable for demanding applications. Standard RJ45 connections and 24V DC power supply simplify integration into existing systems.’’

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